ALL RIGHT, WELL, LeBRON James is the biggest star having the season of his career in the nba. Having a blast at thenba all-star weekend and sat down with john schriffen talking about everything from his favorite tv shows to a cause close to his heart. Take a look. Reporter: He's one of the most recognizable athletes on earth known on the court as king james. BACK TO LeBRON. Oh, my. Reporter: But this morning LeBRON JAMES IS HOLDING COURT Opening up to us in a rare sit-down interview. What is something most people don't know about you in your private life? I wash cartoons even when my kids are at school. Reporter: Really. What's your favorite? Right now "sponge bob square pants." Reporter: He won his first nba championship last year. When he's not playing, the father of two tells us he cherishes his role as a family man. You have two young boys. If you weren't in the room with them what would you say about you? They probably love their daddy and when he's going to get us another x box game. Reporter: Here in houston for tonight's nba all-star game he is spending his down time helping change the lives of other kids teaming up with sprite to renovate in boys and girls' gym. An opportunity for kids to have somewhere to treat themselves. I love, you know, the smiles on kids' faces. I love having an opportunity to inspire kids. Reporter: If his big heart isn't enough, this small forward is also fashion forward. Very stylish. We pull these out. What do you think of these? Is this what works on me? Absolutely. Absolutely. Looks good. Reporter: Speaking of looking and feeling good, james had one final shoutout for our own robin roberts. No doubt, big party. Maybe we need to bring you guys down to miami and have a party. I don't know if it's in the budget. Reporter: Now that sounds like a ball. For "good morning america," john schriffen, abc news, houston. As a reminder t-minus three days to robin's return. Huge day for us at abc news.

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